Scale ca. 1:28,000. Relief shown by hachures. Depths shown by soundings. Based on A Chart of the harbour of Boston, with the soundings, sailing-marks, and other directions. [1777] From the author's Pilote américain septentrional. 1778-79. v. 1. LC Maps of North America, 1750-1789, 956 Available also through the Library of Congress Web site as a raster image. Vault AACR2

Scale ca. 1:230,000. Oriented with north to the right. Depths shown by soundings. Includes inset of Philadelphia, text, and "Table des marées." LC Maps of North America, 1750-1789, 1357 Available also through the Library of Congress Web site as a raster image. AACR2

Scale ca. 1:525,000. Oriented with north to the right. Depths shown by soundings. "14." From the author's Neptune americo-septentrional contenant les côtes. 1778-80. Includes text and inset "Plan de la Baie Herring en Maryland." Available also through the Library of Congress Web site as a raster image. Two copies. Copy 1 sectioned and mounted on cloth backing. Vault AACR2: 110; 650/1; 651/2; 700/1

Scale ca. 1:70,000. Relief shown pictorially and by hachures. Soundings shown in fathoms. No. "337" and "12" in upper right corner. Available also through the Library of Congress Web site as a raster image. Vault AACR2: 100; 651/1; 650/2; 700/1; 710

Scale ca. 1:70,000. Hand colored. Depths shown by soundings. Relief shown by land form drawings. Includes "Avertissement." LC Maps of North America, 1750-1789, 1230 Available also through the Library of Congress Web site as a raster image. Vault AACR2

Scale ca. 1:90,000. Prime meridian: Paris. Depths shown by soundings. "342" Includes "Avertissement." LC Maps of North America, 1750-1789, 1535 Available also through the Library of Congress Web site as a raster image. Vault AACR2: 100; 651/1; 651/2; 650/5; 710

Scale ca. 1:38,500. Relief shown pictorially. Depths shown by soundings. Oriented with north to the right. From Georges Louis Le Rouge's Pilote américain septentrionale. 1778-79. Includes notes and index. LC Maps of North America, 1750-1789, 1633 Available also through the Library of Congress Web site as a raster image. Vault AACR2

Scales vary. Relief shown pictorially and by hachures. Depths shown by soundings. From the author's Pilote américain septentrional. 1778-79. Includes notes and "Vue de l'entrée de la Riviere St. Marys ou Ste. Marie." LC Maps of North America, 1750-1789, 1631 Available also through the Library of Congress Web site as a raster image. On verso: [Plate no.] 26. Vault AACR2: 100; 651/1; 650/2; 650/3; ...

Scales vary. Relief shown pictorially and by hachures. Soundings shown in fathoms. Number stamped on: 343. From the author's Neptune Americo-Septentrional. 1778-80. Includes "Instruction," text, notes, and "Vue de l'entrée de la riviere de St. Mary." LC Maps of North America, 1750-1789, 1634 Available also through the Library of Congress Web site as a raster image. Vault AACR2: 100; 651/1; 650/2; 650/3; 700/1; 700/2; ...

Scale ca. 1:70,000. Depths shown by soundings. Relief shown by land form drawings. "339." Includes "Avertissement." LC Maps of North America, 1750-1789, 1229 Available also through the Library of Congress Web site as a raster image. Vault AACR2

Scale ca. 1:220,000. Manuscript, pen and ink. Copied from Joshua Fishers' "To the merchants & insurers of the city of Philadelphia, this chart of Delaware Bay and river." Depths shown in fathoms. Oriented with north to the right. Shows shipping channels. LC Maps of North America, 1750-1789, 1353 Available also through the Library of Congress Web site as a raster image. Vault AACR2